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CHEMISTRY: TOPIC 3 PERIODICITY
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Pregunta:
What are the trends in electronegativity?
Autor: Sammy UniverseRespuesta:
Across period: increases bec of increasing nuclear charge (protons) = stronger attraction bw nucleus + bonding pair of electrons + constant shielding Down group: decreases bec the atom size increases so bonding electrons are further from the nucleus attraction
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